Psoas (soh-uhs) sounds like a terrible exotic disease that you could contract at the Summer Olympics, but it’s really just a muscle that can cause major back pain. The. Breaking News - Serving ...

Akidolestes cifellii gen. et sp. nov. Holotype. Nanjing Institute of Geology and Palaeontology, Nanjing, China (NIGPAS) 139381A, B (Fig. 1), a skeleton with partial skull and dentition preserved ...